In this report, we describe a case of previous undiagnosed masses of the pulmonary valve mimicking infective endocarditis that
were incidentally found during the work-up of a 62-year-old woman, who was presented with abdominal discomfort and
dyspepsia. The pathologic findings were characteristics of a papillary fibroelastoma. Although benign, papillary fibroelastomas
have the potential to cause lethal embolic events such as stroke, myocardial infarction, and pulmonary embolism are reported
in some cases. Tumor identification and surgical excision are important to prevent such complications.